Which color of light has a wavelength of 4.7 x 10^-7 meter in air?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

How would a small bar magnet be oriented when placed at position x?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane